Home / 146,504.23-202,139.38-85,260.47

Finding the Fourth Proportional to 146,504.23, 202,139.38 and 85,260.47

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Solution

The fourth proportional to 146,504.23, 202,139.38 and 85,260.47 is: 117,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,504.23 : 202,139.38 = 85,260.47 : x
  2. Step 2: Convert to fraction form
    146,504.23/202,139.38 = 85,260.47/x
  3. Step 3: Cross multiply
    146,504.23x = 202,139.38 × 85,260.47
  4. Step 4: Simplify right side
    146,504.23x = 17,234,497,640.19
  5. Step 5: Solve for x
    x = 17,234,497,640.19/146,504.23
  6. Step 6: Final answer
    x = 117,638.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.